AirHint found the following cheapest return flights from Fortaleza (FOR) to Lisbon (LIS) in October 2025 (see full year).

Return flights

01 Oct - 19 Nov	TAP	direct
13 Oct - 22 Oct	Air France
15 Oct - 30 Oct	LATAM Airlines Group
06 Oct - 20 Oct	TAP	direct
08 Oct - 20 Oct	TAP	direct
09 Oct - 20 Oct	TAP	direct
12 Oct - 20 Oct	TAP	direct
02 Oct - 20 Oct	TAP	direct
04 Oct - 09 Nov	TAP	direct
14 Oct - 29 Oct	Air France
12 Oct - 21 Oct	Air France
29 Oct - 02 Nov	TAP	direct
15 Oct - 15 Nov	Air France
03 Oct - 20 Oct	TAP	direct
25 Oct - 09 Nov	TAP	direct
19 Oct - 05 Nov	TAP	direct
22 Oct - 05 Nov	TAP	direct
19 Oct - 02 Nov	TAP	direct
21 Oct - 02 Nov	TAP	direct
19 Oct - 06 Nov	TAP	direct

Also check the deals for one-way flights from Fortaleza to Lisbon in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Fortaleza to Lisbon in October from 633€

Return flights